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In recent years, the problem of association rule mining in transactional data has been well studied. We propose to extend the discovery of classical association rules to the discovery of association rules of conjunctive queries in arbitrary…

数据库 · 计算机科学 2007-05-23 Bart Goethals , Jan Van den Bussche

Association rule mining is an active data mining research area and most ARM algorithms cater to a centralized environment. Centralized data mining to discover useful patterns in distributed databases isn't always feasible because merging…

数据库 · 计算机科学 2010-04-13 J. Arokia Renjit , K. L. Shunmuganathan

The Caucasus region is characterized by heterogeneous and strong seismicity as a result of collision between Arabian and Eurasian tectonic plates. A rich variety of seismic events also distinguishes Azerbaijan, located in its south part. In…

地球物理 · 物理学 2025-07-08 Sergii Skurativskyi , Sergiy Mykulyak , Yuliya Semenova , Kateryna Skurativska

Precipitation is one of the most important meteorological variables for defining the climate dynamics, but the spatial patterns of precipitation have not been fully investigated yet. The complex network theory, which provides a robust tool…

大气与海洋物理 · 物理学 2013-08-22 Stefania Scarsoglio , Francesco Laio , Luca Ridolfi

Numerical simulation of seismicity has been successfully developed and used for the two last decades. Presently, the general theory of modeling and the progress in computational techniques provide wide options for simulation of seismic and…

地球物理 · 物理学 2015-07-17 Aleksandr M. Linkov , Liliana Rybarska-Rusinek , Victor V. Zoubkov

T\"urkiye is located on a fault line; earthquakes often occur on a large and small scale. There is a need for effective solutions for gathering current information during disasters. We can use social media to get insight into public…

计算与语言 · 计算机科学 2022-12-06 Özgür Agrali , Hakan Sökün , Enis Karaarslan

After an earthquake, disaster sites pose a multitude of health and safety concerns. A rescue operation of people trapped in the ruins after an earthquake disaster requires a series of intelligent behavior, including planning. For a…

人工智能 · 计算机科学 2016-07-15 Mona Khaffaf , Arshia Khaffaf

The understanding of long-distance relations between seismic activities has for long been of interest to seismologists and geologists. In this paper we have used data from the world-wide earthquake catalog for the period between 1972 and…

地球物理 · 物理学 2015-06-15 Douglas S. R. Ferreira , Andrés Papa , Ronaldo Menezes

Graph association rule mining is a data mining technique used for discovering regularities in graph data. In this study, we propose a novel concept, {\it path association rule mining}, to discover the correlations of path patterns that…

数据库 · 计算机科学 2022-10-25 Yuya Sasaki

Recommendations based on behavioral data may be faced with ambiguous statistical evidence. We consider the case of association rules, relevant e.g.~for query and product recommendations. For example: Suppose that a customer belongs to…

数据库 · 计算机科学 2015-01-12 Rasmus Pagh , Morten Stöckel

To characterize the dynamical features of seismicity as a complex phenomenon, the seismic data is mapped to a growing random graph, which is a small-world scale-free network. Here, hierarchical and mixing properties of such a network are…

无序系统与神经网络 · 物理学 2009-11-11 Sumiyoshi Abe , Norikazu Suzuki

Developing a rapid, but also reliable and efficient, method for classifying the seismic damage potential of buildings constructed in countries with regions of high seismicity is always at the forefront of modern scientific research. Such a…

机器学习 · 计算机科学 2022-05-03 Konstantinos Kostinakis , Konstantinos Morfidis , Konstantinos Demertzis , Lazaros Iliadis

Autonomous detection of desired events from large databases using time series classification is becoming increasingly important in civil engineering as a result of continued long-term health monitoring of a large number of engineering…

机器学习 · 计算机科学 2021-01-19 Monica Arul , Ahsan Kareem

We intend to identify relationships between cancer cases and pollutant emissions and attempt to understand whether cancer in children is typically located together with some specific chemical combinations or is independent. Co-location…

We investigate the sequence of great earthquakes over the past century. To examine whether the earthquake record includes temporal clustering, we identify aftershocks and remove those from the record. We focus on the recurrence time,…

地球物理 · 物理学 2013-07-22 E. Ben-Naim , E. G. Daub , P. A. Johnson

A prominent feature of earthquakes is their empirical laws including memory (clustering) in time and space. Several earthquake forecasting models, like the EpidemicType Aftershock Sequence (ETAS) model, were developed based on earthquake…

地球物理 · 物理学 2020-03-30 Yongwen Zhang , Dong Zhou , Jingfang Fan , Warner Marzocchi , Yosef Ashkenazy , Shlomo Havlin

The development of science has been transforming man's view towards nature for centuries. Observing structures and patterns in an effective approach to discover regularities from data is a key step toward theory-building. With increasingly…

计算物理 · 物理学 2025-06-09 Guang-Xing Li

Machine learning is becoming increasingly important in scientific and technological progress, due to its ability to create models that describe complex data and generalize well. The wealth of publicly-available seismic data nowadays…

地球物理 · 物理学 2020-08-10 Fabrizio Magrini , Dario Jozinović , Fabio Cammarano , Alberto Michelini , Lapo Boschi

Geoscience and seismology have utilized the most advanced technologies and equipment to monitor seismic events globally from the past few decades. With the enormous amount of data, modern GPU-powered deep learning presents a promising…

地球物理 · 物理学 2021-09-14 Bo Feng , Geoffrey C. Fox

Avalanche statistics of various threshold activated dynamical systems are known to depend on the magnitude of the drive, or stress, on the system. Such dependencies exist for earthquake size distributions, in sheared granular avalanches,…

统计力学 · 物理学 2019-01-07 Soumyajyoti Biswas , Lucas Goehring